{"filing":{"accession_number":"0001193125-26-428324","cik":"0001521036","ticker":"LNTH","company_name":"Lantheus Holdings, Inc.","form":"8-K","filing_date":"2026-10-22","report_date":"2026-10-21","primary_document":"d19181d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1521036/000119312526428324/d19181d8k.htm"},"events":[{"id":37038,"run_id":34138,"accession_number":"0001193125-26-428324","anchor_item_number":"8.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"summary":"The disclosure reports a material development in an ongoing merger transaction: Lantheus and Parent (Curium US Holdings LLC) received a Second Request from the FTC on October 21, 2026, extending the HSR Act waiting period. This is a significant regulatory hurdle in the previously announced August 3, 2026 merger agreement. The Second Request materially affects the timing and completion risk of the transaction, which remains a core M\u0026A activity event even though it is an update rather than the initial announcement.","company_name":"Lantheus Holdings, Inc.","ticker":"LNTH","filing_date":"2026-10-22","form":"8-K","submitted_at":null,"items":[{"id":41621,"accession_number":"0001193125-26-428324","item_number":"8.01","item_title":"Other Events.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The disclosure reports a material development in an ongoing merger transaction: Lantheus and Parent (Curium US Holdings LLC) received a Second Request from the FTC on October 21, 2026, extending the HSR Act waiting period. This is a significant regulatory hurdle in the previously announced August 3, 2026 merger agreement. The Second Request materially affects the timing and completion risk of the transaction, which remains a core M\u0026A activity event even though it is an update rather than the initial announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-22T11:30:36.955063+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":41621,"accession_number":"0001193125-26-428324","item_number":"8.01","item_title":"Other Events.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The disclosure reports a material development in an ongoing merger transaction: Lantheus and Parent (Curium US Holdings LLC) received a Second Request from the FTC on October 21, 2026, extending the HSR Act waiting period. This is a significant regulatory hurdle in the previously announced August 3, 2026 merger agreement. The Second Request materially affects the timing and completion risk of the transaction, which remains a core M\u0026A activity event even though it is an update rather than the initial announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-22T11:30:36.955063+00:00","company_name":"Lantheus Holdings, Inc.","ticker":"LNTH","filing_date":"2026-10-22"}]}